import java.io.*;

public class FacadeSystem {
    private ReadFile readFile = new ReadFile();
    private WriteFile writeFile = new WriteFile();
    private EncryptFile encryptFile = new EncryptFile();

    public void processFile(String fileName){
        String content = readFile.read(fileName);
        String encryptedContent = encryptFile.encrypt(content);
        writeFile.write(fileName, encryptedContent);
    }
}